Fukushima nuke pollution in sea 'was world's worst'

France's nuclear monitor said on Thursday that the amount of caesium 137 that leaked into the Pacific from the Fukushima disaster was the greatest single nuclear contamination of the sea ever seen.

Chemical-munching mussels contaminating Great Lakes

Zebra mussels from the Caspian Sea, introduced to North America by accident, are becoming a veritable plague releasing toxic chemicals into the Great Lakes, Canadian biologists say.

page 5 from 40